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Single Reduction
Worm Gear Reducers
Double Reduction
Worm - Worm Gear Reducers
Double Reduction
Helical - Worm Gear Reducers
WASHGUARD
®
Reducers
and GEAR+MOTOR™
Ratio Multipliers
Accessories and
Additional
Capabilities
www.grovegear.com
219
GR Series
Dimensions
Styles: DXJMQ, DXJM, DXJ
STYLE DXJMQ, DXJM, DXJ DIMENSIONS (Inches)
T
U
Input
Output
Size
A
B
C
CD
CE
D
F
G
H
J
K
L
M
N
O
O
*
R
V
WP
+0.000
+0.000
Key
L
Key
-0.0015 -0.0015
GR813
7.42 2.75 4.66 1.33 1.91 1.72
6.42
2.60
.38
2.00
1.00
N/A
N/A 4.00 2.16 1.94 2.94 0.25 5.00 0.625 N/A
N/A
3/16 X 1.50
GR815
8.14 3.50 5.38 1.54 1.91 1.91
7.08
2.76
.44
2.75
1.38
N/A
N/A 4.31 2.11 1.90 3.50 0.25 5.00 0.750 N/A
N/A
3/16 X 1.50
GR818
8.51 3.50 5.75 1.75 1.91 2.06 7.45 - 7.63 3.00 .44 slot 2.50 - 2.75 1.25 - 1.38 N/A
N/A 4.31 2.05 1.84 3.50 0.25 5.00 0.875 N/A
N/A
3/16 X 1.38
GR821
9.76 4.00 6.38 2.06 1.91 2.28
8.63
3.40 .56 slot 2.63 - 2.75 1.31-1.38 N/A
N/A 4.68 2.29 2.08 4.01 0.38 5.00 1.000 N/A
N/A
1/4 X 1.44
GR824
10.31 4.00 6.94 2.38 2.36 2.50
9.19
3.63
.69
2.88
1.44
10.24 1.76 5.14 2.66 2.44 4.06 0.38 6.50 1.125 0.625 3/16 x 1.38 1/4 X 1.75
GR826
11.62 5.00 8.00 2.63 2.36 2.94
10.38
4.13
.56
3.38
1.69
10.80 1.76 5.63 2.73 2.52 5.00 0.38 6.50
V
0.625 3/16 x 1.38 1/4 X 1.75
GR830
12.64 6.00 8.88 3.00 2.36 3.25
11.38
4.50
.56
3.88
1.94
11.56 3.61 6.75 3.60 3.36 5.62 0.38 6.50 1.250 0.625 3/16 x 1.38 1/4 X 1.75
GR832
13.14 6.00 9.38 3.25 2.36 3.50
11.88
4.75
.56
3.88
1.94
11.75 3.61 7.06 3.66 3.42 5.63 0.38 6.50
V
0.625 3/16 x 1.38 3/8 X 2.25
GR842
16.38 7.00 11.38 4.25 2.87 4.44
14.88
6.19
.69
5.00
2.50
17.48 3.61 8.12 4.50 4.21 6.50 0.50 8.50 1.875 1.250 1/4 x 2.00 1/2 X 3.06
GR852
19.00 7.00 14.00 5.25 2.87 5.12
17.50
6.87
.69
5.81
2.91
18.88 3.61 9.06 4.78 4.53 7.75 0.50 8.50 2.000 1.250 1/4 x 2.00 1/2 X 3.50
Motor Mounting Dimensions
NEMA DIMENSIONS (Inches)
LM
L1
LQ
LQ1
RQ
Size
56C/
180TC/ 250TC
48CZ/
180TC
210TC 250TC
48CZ/
180TC 210TC
250TC
140TC
210TC
56C/140TC
56C/140TC
GR813
N/A
N/A N/A
8.29
N/A
N/A
N/A
7.79
N/A
N/A
N/A
GR815
N/A
N/A N/A
8.82
N/A
N/A
N/A
8.32
N/A
N/A
N/A
GR818
N/A
N/A N/A
8.92
N/A
N/A
N/A
8.42
N/A
N/A
N/A
GR821
N/A
N/A N/A
9.29
N/A
N/A
N/A
8.79
N/A
N/A
N/A
GR824
12.49
N/A N/A
9.88
Q
N/A
N/A
N/A
9.38
Q
N/A
N/A
N/A
GR826
13.05
N/A N/A
10.44
Q
N/A
N/A
N/A
9.94
Q
N/A
N/A
N/A
GR830
13.55
N/A N/A
11.20
Q
N/A
N/A
N/A
10.70
Q
N/A
N/A
N/A
GR832
13.74
N/A N/A
11.39
Q
N/A
N/A
N/A
10.89
Q
N/A
N/A
N/A
GR842
N/A
20.66 20.66
N/A
14.97 14.97 15.53
N/A
14.46 14.46
14.86
GR852
N/A
22.06 22.06
N/A
16.37 16.37 16.93
N/A
15.86 15.86
16.26
Frame
AJ
AK
BD
BE
BE1 Bore Keyway
X
BF
Dia.
48CZ
3.75 3.00 4.36 0.38 N/A 0.500 1/8 X 1/16 0.28
56C
5.88 4.50 6.50 0.38 N/A 0.625 3/16 X 3/32 0.41
140TC
5.88 4.50 6.50 0.38 N/A 0.875 3/16 X 3/32 0.41
180TC
7.25 8.50 9.00 N/A 0.50 1.125 1/4 X 1/8 0.53
210TC
7.25 8.50 9.00 N/A 0.50 1.375 5/16 X 5/32 0.53
250TC
7.25 8.50 9.00 N/A 0.50 1.625 3/8 X 3/16 0.53
*
Applies to double output shaft
X
Keyway width by depth
Q
48CZ not available
L
Style DXJ and DXJM only.
Y
Metric IEC B5 input flange options are available only on quill input styles.
Dimensions same for GRG and GRL Series
For safety, purchaser or user should provide protective guards over
shaft extensions and any couplings, sheaves and belts, sprockets and
chains, etc., mounted thereon.
WARNING
NEMA DIMENSIONS (Inches)
V
See feature comparison chart.
Output
Mounting
Output Key
All Other
Grove Gear
LEESON
Replace With
Size
Shaft Diameter
Footprint
Needed?
Features
Flexaline
IRONMAN
Series Code
Needed?
Needed?
Interchange
Interchange
Below:
821
GRG
Identical
Identical
lj
Identical
Identical
GRL
826
1.250"
GRG
1.125"
Identical
Identical
Identical
GRL
832
1.500"
3/8 x 2.63
GRG
1.375"
Identical
5/16 x 2.63
Identical
GRL
FEATURE COMPARISON (821, 826, 832)
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NOTE: If reducer is used without the accessory mounted, select based mounting dimensions on pages 212-213 (DXMQ, DXM, DX).